... bearing, shaft and screw shaft hanging slider connected with the demolition spiral, do not have Mobile drive unit, demolition ... powder, granular, small pieces of material, and the slag-like material; in the chemical, construction, food, coal and other industries ... 115.3LS-6306304506016025.9LS-8008005004522336LS-100010005603530448LS-125012506303045873.3 LS series screw conveyor for powdery materials